/usr/include/ug/ts.h is in libug-dev 3.12.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vi: set et ts=4 sw=2 sts=2:
/****************************************************************************/
/* */
/* File: ts.h */
/* */
/* Purpose: time-stepping scheme for (non-)linear time-dependent problems */
/* */
/* Author: Peter Bastian */
/* Institut fuer Computeranwendungen III */
/* Universitaet Stuttgart */
/* Pfaffenwaldring 27 */
/* 70569 Stuttgart */
/* email: ug@ica3.uni-stuttgart.de */
/* */
/* History: January 09, 1997 begin */
/* */
/* Remarks: */
/* */
/****************************************************************************/
/* RCS_ID
$Header$
*/
/****************************************************************************/
/* */
/* auto include mechanism and other include files */
/* */
/****************************************************************************/
#ifndef __TS__
#define __TS__
#include "np.h"
#include "nls.h"
#include "assemble.h"
#include "namespace.h"
START_UGDIM_NAMESPACE
/****************************************************************************/
/* */
/* defines in the following order */
/* */
/* compile time constants defining static data size (i.e. arrays) */
/* other constants */
/* macros */
/* */
/****************************************************************************/
#define T_SOLVER_CLASS_NAME "ts"
/****************************************************************************/
/* */
/* definition of exported data structures */
/* */
/****************************************************************************/
struct np_t_solver {
NP_NL_ASSEMBLE nlass; /* derived from nonlinear assemble */
/* things to be initialized by generic init */
VECDATA_DESC *y; /* solution vector */
NP_T_ASSEMBLE *tass; /* time assemble numproc */
NP_NL_SOLVER *nlsolve; /* nonlinear solver numproc */
VEC_SCALAR reduction; /* reduction factor per time step */
VEC_SCALAR abslimit; /* absolute limit for the defect */
/* functions */
INT (*TimePreProcess) /* called before first time step */
(struct np_t_solver *, /* pointer to (derived) object */
INT, /* level */
INT *); /* result */
INT (*TimeInit) /* initialize, set initial values */
(struct np_t_solver *, /* pointer to (derived) object */
INT, /* level */
INT *); /* result */
INT (*TimeStep) /* b := b - Ax */
(struct np_t_solver *, /* pointer to (derived) object */
INT, /* level */
INT *); /* result */
INT (*TimePostProcess) /* to be called after last timestep*/
(struct np_t_solver *, /* pointer to (derived) object */
INT, /* level */
INT *); /* result */
};
typedef struct np_t_solver NP_T_SOLVER;
typedef INT (*TimePreProcessProcPtr) \
(NP_T_SOLVER *, INT, INT *);
typedef INT (*TimeInitProcPtr) \
(NP_T_SOLVER *, INT, INT *);
typedef INT (*TimeStepProcPtr) \
(NP_T_SOLVER *, INT, INT *);
typedef INT (*TimePostProcessProcPtr) \
(NP_T_SOLVER *, INT, INT *);
/****************************************************************************/
/* */
/* definition of exported functions */
/* */
/****************************************************************************/
/* default init function for tsolver num procs */
INT NPTSolverInit (NP_T_SOLVER *np, INT argc, char **argv);
/* default display function for tsolver num procs */
INT NPTSolverDisplay (NP_T_SOLVER *np);
/* default execute function for tsolver num procs */
INT NPTSolverExecute (NP_BASE *np, INT argc, char **argv);
/* init */
INT InitTSolver (void);
END_UGDIM_NAMESPACE
#endif
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